Rotor for a ventilator with six blades



FIG. 1 is a front view of a rotor for a ventilator with six blades according to the present design;

FIG. 2 is a right side view thereof;

FIG. 3 is a top side view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a perspective view thereof; and,

FIG. 6 is a perspective view thereof.

The broken lines which define the bounds of the claimed design form no part thereof. 

The ornamental design for rotor for a ventilator with six blades, substantially as shown and described. 